mathews



@eine tetes @stent @ffice Lettere Patent No. 74,238, dated February 11, 1868.

IMPROVEMENT IN GANG-PLOUGHS @Ligt dgehnle referrer It in tiges: Enters atent tmb uniting pitt nt ttt time.

Be 4it known that I, W. W. MATuEws, of Yates City, Knox county, and Stute ot' Illinois, have invented a new and useful Gung-Plough; and I do declare that the following is a. full, clear, Iund exact description of the eonstructionnnd operation of the same, reference bcing'hud to the annexed drawings, making a part explanatory of this specification, in which Figure 1 is a vertical perspective view.

Figure 2 is a longitudinal View.

Figure 3 is a section of clevis and draught cog-bar, and

Figure 4 is a. section of lock and treadle.

The nature of my invention consists in so constructing the frame that the plough may keep its proper position notwithstanding any lateral pressure; also in lowering and'reising the front'of ploughbcam, so as to insure the proper entrance and exit-of the ploughs.

To enable others skilled in the'art to make und use my invention, I will now describe its construction und operation. l i Of any of the most-approved forms and material, I construct the wheels, axle, tongue, Ste., setting the furrow-wheel deeper than the land-wheel. Upon this axle I secure the braces a a und thc draught-barsb 5, to which the treble-trees are attached. To the rear 'ends ot braces a a the standards e c nresceurcd, resting in upper ends of which is the axle d, to which is bolted the lever e, the rear end of which is connected, by chains or rods, fj', to the framed plough-beam g, the front end of which has two clevises, hgh, coupled to the draught cog-bar z', which is secured by the staples jj to the principal axle. The gong-ploughs are secured to compound beam in any approved manner. To the front end of beam is connected the lever K, as shown in drawings, by rounding and turning outwards the lower ends of the yoke Z, and securing them by .staples in upper edge of beam. This lever runs through the mortise in lever e, and the levers and K are readily connected by means of a spring-pin, 1'. The draught-bar z' is of Wrought iron, and has attached three cast-iron cog-wheels, m und n n. The centre wheel, m, meshes with the lock o, which is kept to the wheel by u spring fixed to front of aille. The lock is thrown out of gear by the lever or crank p, operated by thc trcadle q, fixed to standard of drivers seat.- The outer cog-wheels on draught-bar are alike, having an outer circular longc, acting as friction-rollers to the inner edge of clevises. v t

To drive the plough on the rond, or when turning, the clevis being raised on draught-bar, the heel of beam is elevated bythe depression of the handle of lever e, and in this position is secured to K by the pin r. Torun theplouglrtinto the ground, the'levers are connected by pin in upper hole, and the driver, by foot on treudle, withdraws lock from cog-wheelim, and with one hand, by levers e and K, lowers the clevises on cogs until-the ploughs gain the required depth of furrow. To run ploughs out of ground, (usually necessary when turning,) withdraw the lock on cog m, and raise clevis-end of beam, until ploughs run to the surface.

What I'claim as my invention, and desire to secure by Letters Patent, is-

1. Thebraccs a a, draught-bars b b, standards e c, constructed and in combination substantially as shown, for the uses and purposes herein set forth. i

2. The method of raising, lowering, and securing the front end of plough-beam by means ofthe levers 'e and K, pin r, clevises h h, draught-bar z', cog-wheels m and n n, with their friction-rollers, flanges, the lock o, crank-1ever p,'and treadle q, or by any means substantially the same, al] in combination and as shown, for the uses and purposes herein set forth.

W. W. MATHEWS. Witnesses:

W. H. Husum., J. H. BAINY. 

